| Angel Business Consultants Limited | Information & communication | 2016 |
| Angel Concrete Services Ltd | Construction | 2019 |
| Angel Driver Ltd | Transport & logistics | 2018 |
| Angel DRY Cleaners Ltd | Other services | 2019 |
| Angel IS Rebel Ltd | Wholesale & retail | 2021 |
| Angel Orion Ltd | Wholesale & retail | 2018 |
| Angel Ride Ltd | Transport & logistics | 2025 |
| Angel UK Products Ltd | Manufacturing | 2021 |
| Angela Clothing Co., Ltd | Extraterritorial | 2021 |
| Angela Coates Consultancy Ltd | Education | 2018 |
| Angelic Hair Limited | Other services | 2012 |
| Angelic Properties Ltd | Real estate | 2016 |
| Angell Hospitality Ltd | Administrative & support | 2017 |
| Angels'Dream Co., Ltd | Extraterritorial | 2019 |
| Angeneyla Ltd | Wholesale & retail | 2025 |
| Angharad Evans Consulting Limited | Information & communication | 2019 |
| Angharad James Ltd | Other services | 2021 |
| Angie Fleur Healthcare Limited | Health & social care | 2022 |
| Angle Flats Limited | Real estate | 2014 |
| Anglesey HR Support Ltd | Administrative & support | 2026 |
| Angleside Facility Limited | Administrative & support | 2023 |
| Angleside Limited | Administrative & support | 2019 |
| Anglia GAS Ltd | Construction | 2013 |
| Anglia Ruskin College International Ltd | Education | 2025 |
| Angliarc Engineering Ltd | Manufacturing | 2021 |
| Anglo Celtic Homes Ltd | Real estate | 2019 |
| Anglo Welsh Security Ltd | Administrative & support | 2018 |
| Angloarab (Investments) Limited | | 1988 |
| Angrohub Ltd | Wholesale & retail | 2025 |
| Angus Street Heel Bar Limited | Wholesale & retail | 2004 |
| Anhui Pacific IMP & EXP Co., Limited | Professional & scientific | 2011 |
| ANI Technologies Ltd | Information & communication | 2018 |
| Ania-Polski Sklep Ltd | Wholesale & retail | 2014 |
| Anian Ltd | Professional & scientific | 2023 |
| Anias Hair Salon Ltd | Other services | 2018 |
| Anide Solutions Limited | Professional & scientific | 2014 |
| Aniease Ltd | Wholesale & retail | 2026 |
| Anies Builders Ltd | Construction | 2025 |
| Anika Direct Limited | Wholesale & retail | 2020 |
| Animaio Studio Ltd | Arts & recreation | 2025 |
| Animals - Remembered Association | Arts & recreation | 2010 |
| Anisur Rahman Ltd | Wholesale & retail | 2025 |
| Anita Associates Ltd | Real estate | 2025 |
| Anitio Ltd | Health & social care | 2018 |
| Anjama Ltd | Construction | 2016 |
| Anjanette Life Trade Ltd | Wholesale & retail | 2025 |
| Anjaz Ltd | Real estate | 2022 |
| Anjen (Developments) Limited | Construction | 1991 |
| Anjo (2021) Ltd | Wholesale & retail | 2021 |
| Anjpxg Mart Ltd | Wholesale & retail | 2025 |
| Anka Group Ltd | Hospitality | 2026 |
| Anka Home Furniture Ltd | Construction | 2017 |
| Ankaa Partners Ltd | Financial services | 2018 |
| Ankaco Limited | Information & communication | 2025 |
| Ankar Rubbani Ltd | Information & communication | 2017 |
| Ankerite Limited | Professional & scientific | 2019 |
| Ankobar Ltd | Professional & scientific | 2025 |
| Ankr Linked Limited | Information & communication | 2025 |
| ANM Developments Limited | Real estate | 2009 |
| ANM Marketing Limited | Wholesale & retail | 2021 |
| ANN Enabler Limited | Professional & scientific | 2007 |
| Anna & Albert Management Limited | Other services | 2011 |
| Anna Care Services Ltd | Health & social care | 2023 |
| Anna Cole Beauty at Cardiff Ltd | Other services | 2024 |
| Anna Cole Beauty Limited | Other services | 2016 |
| Anna Commerce Ltd | Wholesale & retail | 2026 |
| Anna Gkika Jewelery Limited | Extraterritorial | 2025 |
| Anna Heed Ltd | Wholesale & retail | 2022 |
| Anna Home Styling Ltd | Professional & scientific | 2025 |
| Anna LOU Kids Ltd | Information & communication | 2019 |
| Anna Madsen Communications International Ltd | Information & communication | 2019 |
| Annabelle's Day Nursery Payroll 02 Ltd | Administrative & support | 2020 |
| Annabelle's Day Nursery Payroll 03 Ltd | Administrative & support | 2023 |
| Annabelle's Day Nursery Payroll 04 Ltd | Administrative & support | 2024 |
| Annabelle's Day Nursery Payroll 05 Ltd | Administrative & support | 2023 |
| Annabelle's Day Nursery Payroll 06 Ltd | Construction | 2022 |
| Annabelle's Day Nursery Payroll 07 Ltd | Administrative & support | 2021 |
| Annacareqs Limited | Administrative & support | 2018 |
| Annambooth Ltd | Wholesale & retail | 2013 |
| Annambute Ltd | Hospitality | 2018 |
| Annapurna Blue Lantern Productions UK Ltd | Information & communication | 2025 |
| Annapurna Epic Works Productions UK Ltd | Information & communication | 2025 |
| Annapurna Horizon Works Productions UK Ltd | Information & communication | 2025 |
| Annapurna Monument Works Productions UK Ltd | Information & communication | 2025 |
| Annapurna Sterling Frame Productions UK Ltd | Information & communication | 2025 |
| Annapurna Vista Peak Productions II UK Ltd | Information & communication | 2025 |
| Anndkee Co., Ltd. | Wholesale & retail | 2020 |
| Anndy Cons Limited | Construction | 2018 |
| Anne Zamora Limited | Construction | 2019 |
| Annecy Records Ltd | Information & communication | 2020 |
| Annex Consulting Limited | Transport & logistics | 2017 |
| Annford Trading Ltd | Wholesale & retail | 2025 |
| Annicass Limited | Other services | 2022 |
| Anniren International Ltd | Wholesale & retail | 2007 |
| Annual Bill Savings Ltd | Construction | 2018 |
| Annula (10) Ltd | Financial services | 2020 |
| Annula (25) Ltd | Financial services | 2020 |
| Annula (5) Ltd | Financial services | 2020 |
| Annula (50) Ltd | Financial services | 2020 |
| Annwan Services Limited | Other services | 2013 |